package com.kaifamiao.using;

import java.util.logging.Logger;

public class Lion {

    // 运行时常量
    private static final Logger logger = Logger.getLogger(Lion.class.getName());
    public static final long begin = System.currentTimeMillis();
    // 编译时常量
    public static final long duration = 1000L * 60 * 60 * 24 * 365 ;

    // 类初始化器
    static {
        logger.info("类初始化");
    }

}
